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Mathematics 12 Online
OpenStudy (anonymous):

Find the number of sides in the polygon with whose angles measures have the given sum. 900°

ganeshie8 (ganeshie8):

whats the formula for sum of angles in a polygon ?

OpenStudy (anonymous):

180(n-2)

ganeshie8 (ganeshie8):

set it equal to 900

ganeshie8 (ganeshie8):

180(n-2) = 900

ganeshie8 (ganeshie8):

solve n

OpenStudy (anonymous):

n = 7

ganeshie8 (ganeshie8):

Yes. good job !

OpenStudy (anonymous):

Yay.!! ^_^

ganeshie8 (ganeshie8):

:)

OpenStudy (anonymous):

|dw:1371499853887:dw|

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